USB battery charger



FIG. 1 is a front perspective view of a first embodiment of a USB battery charger showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view of a second embodiment of a USB battery charger showing our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a top plan top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front perspective view of a third embodiment of a USB battery charger showing our new design;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a right side view thereof;

FIG. 19 is a left side view thereof;

FIG. 20 is a top plan view thereof; and,

FIG. 21 is a bottom plan view thereof.

The broken lines appearing in the drawings are for the purpose of illustrating portions of the article in which the design is embodied. Portions of the article appearing in broken lines form no part of the claimed design. 

CLAIM The ornamental design of a USB battery charger, as shown and described. 